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Ira Lisetskai [31]
3 years ago
9

Which part of the cell membrane can catalyze chemical reactions

Biology
2 answers:
kaheart [24]3 years ago
5 0

the answer is enzymes

Rama09 [41]3 years ago
4 0

Answer: The chemical reaction is catalyzed by enzymes. Enzymes can be defined as the chemical substances that is used to increase the rate of reaction.

Explanation:

The enzymes does not takes part in the chemical reaction but increases he rate of reaction.

Enzymes binds with the substrate and forms a complex that is converted into the product after reaction. The enzyme is released back to be used again.

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Identify the impact that disease, starvation, and warfare, which routinely plagued the colonies, had on their population growth.
yaroslaw [1]
All this combined = rise in fatalities which = less reproduction = lower population
8 0
3 years ago
Why does speed of blood in arteries differ from speed of blood in capillaries
KengaRu [80]
The keyword here is "area per volume" which is available in both cases. Besides capillaries are smaller than arteries they have in total more area as there are many vessels of then. The More the area/volum, the less the velocity
8 0
3 years ago
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The zone of aeration _______________________. (Choose 2)
dlinn [17]
Soil and rocks maybe. not too sure.
3 0
3 years ago
In a hypothetical population of plants, flower color is determined by a single gene with two alleles. In a population of 500 pla
blondinia [14]

Answer:

In the F1 generation

RR = 0%

Rr = 50% (or 0.5)

rr = 50% (or 0.5)

Explanation:

A pink flowering plant has the genotype Rr. It is heterozygous for the allele. The alleles for this gene appears to show incomplete dominance, as the heterozygous phenotype is a blend of the two homozygous genotypes.

A white flowering plant has the genotype rr. It is homozyogous for the white allele

A punnet square of the cross is shown.

The resulting punnet square shows that only Rr and rr genotypes are possible, at a ratio of 50:50 (or 1:1). Therefore, the genotype frequency of Rr is 50%, and rr is 50% in the F1 generation. This can also be written as 0.5. It is not possible to get a red plant, as the genotype RR can not come from this cross

Download pdf
8 0
3 years ago
Jenner's successful use of cowpox virus as a vaccine against the smallpox virus was due to the fact that ______. (A) the cowpox
irinina [24]

Answer: option C) cowpox and smallpox are caused by the same virus

Explanation:

Cowpox is a skin disease that affects cattle. It is caused by an Orthopoxvirus, with lesions occurring principally on the udder and teats of the animals.

Human infection may occur from touching infected cows, and thus giving immunity to smallpox (an acute infection caused by the same poxyvirus, in HUMANS)

So, Jenner's successful use was because cowpox and smallpox are caused by the same virus

3 0
3 years ago
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